Pillar
Wonders of the World
Seven ancient wonders, only one of which is still standing, and the modern list built to replace them. How each one was built, and how most of them were lost.
The Great Pyramid of Giza
The last Seven Wonder still standing was built for Pharaoh Khufu around 2560 BCE, and over a century of excavation still has not settled exactly how it was raised.
The Hanging Gardens of Babylon: A Wonder in the Wrong City?
The Hanging Gardens are the only Wonder whose existence is disputed. No trace has turned up in Babylon, and one Oxford scholar argues the real gardens stood in Nineveh.